Mathematics for IGCSE & O level - Probability (Section 2 - No. 40)
A bag contains 6 red marbles and 4 blue marbles. If one marble is chosen at random, what is the probability that it is red?
2/5
3/5
1/2
4/10
Explanation
There are 6 red marbles out of a total of 10 (6 red + 4 blue). 6/10 = 3/5
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